Identification of Salts

PAKTURK INTERNATIONAL SCHOOL & COLLEGES ISLAMABAD case:CHEMISTRYMARKS: 25 straighten out:10-O train TIME: 40 Min. feat ALL THE QUESTIONS ON YOUR ANSWERSHEETS WITH decorous PRESENTATION. Q.No.1:Choose the most commensurate answer. 1.An excess of stretch along sulphuric acrid reacts with twain aqueous barium hydroxide and aqueous barium chloride. In what way the two reactions be same? A. a mishandle is produced. B. an insoluble salt is produced. C. The last-place examination examination pH is 7. D. Water is produced. 2.Which salt could be prepared by a method involving crystallization as a final horizontal surface? A. barium sulphate B. calcium carbonate C. liquid chloride D. sodium nitrate 3.An piece X forms a hydroxide, which dissolves, both in acids and in alkalis. What could X be? A. aluminium B. calcium C. pig bed D. iron 4.In which reaction is weaken sulphuric acid not behaving as an acid? A. H2SO4 + 2NaOH ((((( Na2SO4 + 2H2O B. H2SO4 + BaCl2 ((((( BaSO4 + 2HCl C. H2SO4 + CuO ((((( CuSO4 + H2O D. H2SO4 + Mg ((((( MgSO4 + H2 5.Which words in the instrument panel complete the following exposition of the preparation of copper (II) sulphate? An excess copper (II) oxide was added to trend sulphuric acid. Th admixture was __1___ to remove the excess of oxide.

The solvent was __2___ to half its garishness and then cooled, so that it __3___. | |1 |2 |3 | |A |distilled |evaporated | crystalize | |B |distilled |filtered |evaporated | |C |filtered...If you require to get a exuberant essay, order it on our website: Orderessay

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